Compounds OF Copper,Compounds Zin and Mercury and their Reactions

Compounds OF Copper || Compounds OF Iron

Compounds A and C in the following reaction are…….

Compound X in the reaction is

The compound X in the reaction

A compound (A) is formed by the reaction of ethylene with bromine which on reacting with aqueous KOH gives a compound (B). The compound (B) can also be prepared by the reaction of ethylene with the following:

Which compound will not from during reaction?

Which compound undergo Cannizzro's reaction ?